Proszę was zróbcie te zadania poziom 1 gimnazjum daje naj proszę :)

zadanie 2  a 3x+y²=3*1/3+(-1)²=1+1=2 b 2(x-y)-(x-3y)-6= 2(2/3-(-3))-2/3+9-6=4/3+6-2/3+9-6=2/3+9 zadanie 3 a (3x-5)+(-6x+4)=3x-5-6x+4=-3x-1 b (4x-7)-(12x+3)4x-7-12x-3=-8x-10 c 2x(3x-4y+2)=6x²-8yx+4x d (2x-1)(3x+2)=6x²+4x-3x-2=6x²-x-2 zadanie 4 a 30x-60=30(x-2) b 6x²y-2xy+4x=2x(3xy-y+2) grupa b zadanie 2 a x²-2y=(2,1)²-2*1/2=4,41-1=3,41 b 3(a-b)-(2a-b)+1=3(1/4+2)-(2*1/4+2)+1= 3/4+6-2/4-2+1=1/4+5=5 1/4 zadanie 3 a (4a-8)+(-7a+5)=4a-8-7a+5=-3a-3 b (6a-7)_(9a-2)=6a-7-9a+2=-3a-5 c 3a(4a-2b+1)=12a²-6ab+3a d (2a+4)(3a-5)-6a²-10a+12a-20=6a²+2a-20 zadanie 4 15a+30=15(a+2) b 8ab²-4ab+6b=2b(4ab-2a+3)